literal translation: The Royal Sharpshooter's Guild: Chivalrous Fraternity "Diletto ed Arme", in olden times the Chivalrous Brotherhood, named: the Fraternity of the Pistol, within Delft

In the secondary literature, there seems to be ambiguity about the Dutch schutter and schieter and thus scherpschutter and schutterskoning. Schieter is clearly a shooter, but should schutter be translated as shooter or guard?

What about "Diletto"? It is not in any Dutch dictionaries of the time. I found this: